seema obtained the following scores (out of 100)on a set of spelling tests. 80,85,90,71,60,100. what is her mean score?
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Mean = value of sum of observations/ number of observations
= 80+85+90+71+60+100/6
=486/6
=81
= 80+85+90+71+60+100/6
=486/6
=81
Answered by
1
ans- 81
first we have to find the sum of the marks . then divide it by the number of subjects. the answer after dividing would be the mean of the score.
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